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flac: splitted flac_copy_vorbis_comment()

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Splitted flac_copy_vorbis_comment() into flac_copy_comment() and
flac_copy_comment().
This commit is contained in:
Max Kellermann 2009-01-15 22:45:28 +01:00
parent 0dec3f787f
commit 9cc373d62d
1 changed files with 38 additions and 37 deletions
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75
src/decoder/_flac_common.c
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@ -26,6 +26,8 @@
#include <FLAC/format.h>
#include <FLAC/metadata.h>
#include <assert.h>
void
flac_data_init(struct flac_data *data, struct decoder * decoder,
struct input_stream *input_stream)
@ -114,60 +116,59 @@ flac_comment_value(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
return NULL;
}
/* tracknumber is used in VCs, MPD uses "track" ..., all the other
* tag names match */
static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
/**
* Check if the comment's name equals the passed name, and if so, copy
* the comment value into the tag.
*/
static bool
flac_copy_vorbis_comment(struct tag *tag,
const FLAC__StreamMetadata_VorbisComment_Entry *entry,
enum tag_type type)
flac_copy_comment(struct tag *tag,
const FLAC__StreamMetadata_VorbisComment_Entry *entry,
const char *name, enum tag_type tag_type)
{
const char *str;
size_t slen;
int vlen;
const char *value;
size_t value_length;
switch (type) {
case TAG_ITEM_TRACK:
str = VORBIS_COMMENT_TRACK_KEY;
break;
case TAG_ITEM_DISC:
str = VORBIS_COMMENT_DISC_KEY;
break;
default:
str = mpdTagItemKeys[type];
}
slen = strlen(str);
vlen = entry->length - slen - 1;
value = flac_comment_value(entry, str, &value_length);
value = flac_comment_value(entry, name, &value_length);
if (value != NULL) {
tag_add_item_n(tag, type, value, value_length);
tag_add_item_n(tag, tag_type, value, value_length);
return true;
}
return false;
}
/* tracknumber is used in VCs, MPD uses "track" ..., all the other
* tag names match */
static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
static void
flac_parse_comment(struct tag *tag,
const FLAC__StreamMetadata_VorbisComment_Entry *entry)
{
assert(tag != NULL);
if (flac_copy_comment(tag, entry, VORBIS_COMMENT_TRACK_KEY,
TAG_ITEM_TRACK) ||
flac_copy_comment(tag, entry, VORBIS_COMMENT_DISC_KEY,
TAG_ITEM_DISC))
return;
for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
if (flac_copy_comment(tag, entry,
mpdTagItemKeys[i], i))
return;
}
void
flac_vorbis_comments_to_tag(struct tag *tag,
const FLAC__StreamMetadata *block)
{
unsigned int i, j;
FLAC__StreamMetadata_VorbisComment_Entry *comments;
FLAC__StreamMetadata_VorbisComment_Entry *comments =
block->data.vorbis_comment.comments;
comments = block->data.vorbis_comment.comments;
for (i = block->data.vorbis_comment.num_comments; i != 0; --i) {
for (j = TAG_NUM_OF_ITEM_TYPES; j--;) {
if (flac_copy_vorbis_comment(tag, comments, j))
break;
}
comments++;
}
for (unsigned i = block->data.vorbis_comment.num_comments; i > 0; --i)
flac_parse_comment(tag, comments++);
}
void flac_metadata_common_cb(const FLAC__StreamMetadata * block,